Luke has never gone to school, left his house, or met any other besides his family. He lives in the attic and cannot even look out windows. Luke is a third child who lives in the shadows. He must remain hidden, because he lives in a society where there can only be two children. Once when peeking through the attic vents he notices a face looking out the neighbor's window. How will Luke respond to the face? Is it another third child who must stay hidden?

I really enjoyed this book, because it was an interesting plot. I suggest this for 10+ since it contains government context and perhaps mature ideas. The book had a great cliff hanger and I'm ready to read the next book in the series.